diff --git a/.drone.yml b/.drone.yml
index 82e29a9..a2fcefd 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -40,6 +40,6 @@ steps:
       VERSION: 1.0.1-pre
     commands:
       #- composer global require humbug/box
-      - VERSION=$VERSION
+      - export VERSION=$VERSION
       - php backupper app:build --build-version=${VERSION} -n
       - php builds/backupper